YBR125 motorcycle air filter assembly, the installation interface, air flow channel and engine intake system fully match, directly replace the original air filter without adjusting the pipeline; Equipped with sealed filter box and efficient filter element, one-stop replacement of air intake filter components, save the trouble of separate procurement; The filter element is made of high permeability filter material, which effectively prevents dust and impurities from entering the engine and ensures the clean intake air. The filter box interface adopts sealing design to avoid unfiltered air entering the engine and protect the cylinder block from wear; Align the engine air intake to lock the fixing screw, easy installation without additional debugging.